Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: WCHTKSBRTMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
316-239 A Wichita KS 516C AT&T CORP. 532      
316-395 A Andale KS 516C AT&T CORP. 532      
620-322 A Anthony KS 516C AT&T CORP. 532      
620-337 A Attica KS 516C AT&T CORP. 532      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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